79758969 has 4 divisors (see below), whose sum is σ = 106345296. Its totient is φ = 53172644.

The previous prime is 79758967. The next prime is 79759007. The reversal of 79758969 is 96985797.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96985797 = 3 ⋅32328599.

It is a cyclic number.

It is not a de Polignac number, because 79758969 - 2¹ = 79758967 is a prime.

It is a super-2 number, since 2×79758969² = 12722986271885922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79758967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13293159 + ... + 13293164.

It is an arithmetic number, because the mean of its divisors is an integer number (26586324).

Almost surely, 2^79758969 is an apocalyptic number.

It is an amenable number.

79758969 is a deficient number, since it is larger than the sum of its proper divisors (26586327).

79758969 is a wasteful number, since it uses less digits than its factorization.

79758969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26586326.

The product of its digits is 8573040, while the sum is 60.

The square root of 79758969 is about 8930.7877032208. The cubic root of 79758969 is about 430.4537647241.

The spelling of 79758969 in words is "seventy-nine million, seven hundred fifty-eight thousand, nine hundred sixty-nine".